If you follow the included instructions and consider there are only cosmetic modifications made to this OEM-style version of the G19 your 3D print should function great! Required Parts for the G19.2.3 OEM-ish 3D Build If you own a 3D printer (Ender 3) This was originally designed by FMDA and has been printed, tested, and fired 1000s of times. The G19.2.3 OEM-ish is only a modified version of the battle-tested and well-designed FMDA DD19.2. The G19.2.3 is here to bring back the G19 the way Glock engineers originally intended. In recent years many have complained and griped about various stylistic and “hand fit” issues with the Glock 19 such as the finger grooves, texture, and undercut. The G19.2.3 OEM-ish is brand spanking new as of adding the files to 3D Gun Builder and was released on 10-09-2022. G19 OEM Style Ender 3 Printing in Progress G19.2.3 OEM-ish History